↑Anderson, Craig. (2021). "1 Historical Introduction to Roman Governance and Society". In:Roman Law for Scots Law Students. Edinburgh: Edinburgh University Press. pp. 1–28. doi:10.1515/9781474450201-007.{{cite book}}: AS1-onderhoud: gebruik authors-parameter (link)
↑Rathmann, Michael (Bonn). ‘Via Postumia’. In: Brill’s New Pauly. Brill Reference Online. {{cite book}}: Onbekende parameter |editors= geïgnoreer (hulp)AS1-onderhoud: gebruik authors-parameter (link)